Substances that are recognized by the immune system and induce an immune reaction.
Antigen
D001323
Autoantibodies
Antibodies that react with self-antigens (AUTOANTIGENS) of the organism that produced them.
Autoantibody
D001327
Autoimmune Diseases
Disorders that are characterized by the production of antibodies that react with host tissues or immune effector cells that are autoreactive to endogenous peptides.